(19)
(11) EP 1 468 258 A2

(12)

(88) Date of publication A3:
11.12.2003

(43) Date of publication:
20.10.2004 Bulletin 2004/43

(21) Application number: 03700906.5

(22) Date of filing: 15.01.2003
(51) International Patent Classification (IPC)7G01H 9/00
(86) International application number:
PCT/GB2003/000192
(87) International publication number:
WO 2003/062772 (31.07.2003 Gazette 2003/31)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

(30) Priority: 25.01.2002 GB 0201760

(71) Applicant: Qinetiq Limited
London, SW1E 6PD (GB)

(72) Inventors:
  • THOMAS, Sean Dormer,c/o Qinetiq Limited
    Dorchester,Dorset DT2 8XJ (GB)
  • LEE, Mark Allen,c/o Qinetiq Limited
    Dorchester,Dorset DT2 8XJ (GB)
  • NASH, Philip John,c/o Qinetiq Limited
    Dorchester,Dorset DT2 8XJ (GB)
  • HILL, David John,c/o Qinetiq Limited
    Dorchester,Dorset DT2 8XJ (GB)

(74) Representative: Tocher, Alastair James et al
QinetiQ Limited,IP Formalities,Cody Technology Park,A 4 Building,Room G016,Ively Road
Farnborough,Hants GU14 0LX
Farnborough,Hants GU14 0LX (GB)

   


(54) HIGH SENSITIVITY FIBRE OPTIC VIBRATION SENSING DEVICE